Troubleshooting Process Chart
– Probable Instrument Fault
– Correct / Change Set-up & Re-run Analysis
– Probable Methodology Fault
– Leak in System – Pump Fault
– Detector Fault or Injector Fault
– Pump Fault or Column Compartment Fault
– Autosampler Fault
– Improve Method
– High Back Pressure Issues
– Run a Known Method on the System
– Look for Differences Between Systems
– Probable Instrument Fault
– Correct / Change Set-up & Re-run Analysis
– Probable Methodology Fault
– Leak in System – Pump Fault
– Detector Fault or Injector Fault
– Pump Fault or Column Compartment Fault
– Autosampler Fault
– Improve Method
– High Back Pressure Issues
– Run a Known Method on the System
– Look for Differences Between Systems
Detector / Injector Fault
Poor sensitivity, noisy or unstable baseline could be caused by one of the following:- Possible lamp failure
- Possible air bubble in flow cell
- Possible dirty flowcell
- Possible optics problem
- Possible insufficient injection volume
